On Fri Feb 7 13:24:47 2025 +0530, Dikshita Agarwal wrote:
> The Host firmware interface (HFI) is a well defined set of interfaces
> for the communication between the host driver and the firmware. The
> commands and responses are exchanged in form of packets. One or multiple
> packets are grouped under the packet header. Each packet has a packet
> type which describes the specific HFI and the payload, which holds the
> corresponding value for that HFI.
>
> Tested-by: Stefan Schmidt <stefan.schm...@linaro.org> # x1e80100 (Dell XPS 13
> 9345)
> Reviewed-by: Stefan Schmidt <stefan.schm...@linaro.org>
> Tested-by: Neil Armstrong <neil.armstr...@linaro.org> # on SM8550-QRD
> Tested-by: Neil Armstrong <neil.armstr...@linaro.org> # on SM8550-HDK
> Signed-off-by: Dikshita Agarwal <quic_diksh...@quicinc.com>
> Signed-off-by: Hans Verkuil <hverk...@xs4all.nl>
Patch committed.
Thanks,
Hans Verkuil
drivers/media/platform/qcom/iris/Makefile | 4 +
drivers/media/platform/qcom/iris/iris_core.c | 24 ++-
drivers/media/platform/qcom/iris/iris_core.h | 20 ++
drivers/media/platform/qcom/iris/iris_hfi_common.c | 50 +++++
drivers/media/platform/qcom/iris/iris_hfi_common.h | 60 ++++++
drivers/media/platform/qcom/iris/iris_hfi_gen1.h | 3 +
.../platform/qcom/iris/iris_hfi_gen1_command.c | 61 ++++++
.../platform/qcom/iris/iris_hfi_gen1_defines.h | 94 +++++++++
.../platform/qcom/iris/iris_hfi_gen1_response.c | 176 +++++++++++++++++
drivers/media/platform/qcom/iris/iris_hfi_gen2.h | 4 +
.../platform/qcom/iris/iris_hfi_gen2_command.c | 74 +++++++
.../platform/qcom/iris/iris_hfi_gen2_defines.h | 46 +++++
.../platform/qcom/iris/iris_hfi_gen2_packet.c | 161 +++++++++++++++
.../platform/qcom/iris/iris_hfi_gen2_packet.h | 69 +++++++
.../platform/qcom/iris/iris_hfi_gen2_response.c | 215 +++++++++++++++++++++
drivers/media/platform/qcom/iris/iris_hfi_queue.c | 173 +++++++++++++++++
drivers/media/platform/qcom/iris/iris_hfi_queue.h | 5 +
.../platform/qcom/iris/iris_platform_common.h | 17 ++
.../platform/qcom/iris/iris_platform_sm8550.c | 14 ++
drivers/media/platform/qcom/iris/iris_probe.c | 26 +++
drivers/media/platform/qcom/iris/iris_vpu_common.c | 43 +++++
drivers/media/platform/qcom/iris/iris_vpu_common.h | 3 +
22 files changed, 1341 insertions(+), 1 deletion(-)
---
diff --git a/drivers/media/platform/qcom/iris/Makefile
b/drivers/media/platform/qcom/iris/Makefile
index 792f1d6ac8f3..76ca5287c49f 100644
--- a/drivers/media/platform/qcom/iris/Makefile
+++ b/drivers/media/platform/qcom/iris/Makefile
@@ -1,7 +1,11 @@
iris-objs += iris_core.o \
iris_firmware.o \
+ iris_hfi_common.o \
iris_hfi_gen1_command.o \
+ iris_hfi_gen1_response.o \
iris_hfi_gen2_command.o \
+ iris_hfi_gen2_packet.o \
+ iris_hfi_gen2_response.o \
iris_hfi_queue.o \
iris_platform_sm8550.o \
iris_probe.o \
diff --git a/drivers/media/platform/qcom/iris/iris_core.c
b/drivers/media/platform/qcom/iris/iris_core.c
index 5ad66ac113ae..7e19bdd0a19b 100644
--- a/drivers/media/platform/qcom/iris/iris_core.c
+++ b/drivers/media/platform/qcom/iris/iris_core.c
@@ -17,6 +17,24 @@ void iris_core_deinit(struct iris_core *core)
mutex_unlock(&core->lock);
}
+static int iris_wait_for_system_response(struct iris_core *core)
+{
+ u32 hw_response_timeout_val =
core->iris_platform_data->hw_response_timeout;
+ int ret;
+
+ if (core->state == IRIS_CORE_ERROR)
+ return -EIO;
+
+ ret = wait_for_completion_timeout(&core->core_init_done,
+
msecs_to_jiffies(hw_response_timeout_val));
+ if (!ret) {
+ core->state = IRIS_CORE_ERROR;
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
int iris_core_init(struct iris_core *core)
{
int ret;
@@ -44,9 +62,13 @@ int iris_core_init(struct iris_core *core)
if (ret)
goto error_unload_fw;
+ ret = iris_hfi_core_init(core);
+ if (ret)
+ goto error_unload_fw;
+
mutex_unlock(&core->lock);
- return 0;
+ return iris_wait_for_system_response(core);
error_unload_fw:
iris_fw_unload(core);
diff --git a/drivers/media/platform/qcom/iris/iris_core.h
b/drivers/media/platform/qcom/iris/iris_core.h
index 516082aa58c9..c0f3c189d779 100644
--- a/drivers/media/platform/qcom/iris/iris_core.h
+++ b/drivers/media/platform/qcom/iris/iris_core.h
@@ -9,6 +9,7 @@
#include <linux/types.h>
#include <media/v4l2-device.h>
+#include "iris_hfi_common.h"
#include "iris_hfi_queue.h"
#include "iris_platform_common.h"
#include "iris_state.h"
@@ -19,6 +20,9 @@ struct icc_info {
u32 bw_max_kbps;
};
+#define IRIS_FW_VERSION_LENGTH 128
+#define IFACEQ_CORE_PKT_SIZE (1024 * 4)
+
/**
* struct iris_core - holds core parameters valid for all instances
*
@@ -45,6 +49,14 @@ struct icc_info {
* @message_queue: shared interface queue to receive responses from firmware
* @debug_queue: shared interface queue to receive debug info from firmware
* @lock: a lock for this strucure
+ * @response_packet: a pointer to response packet from fw to driver
+ * @header_id: id of packet header
+ * @packet_id: id of packet
+ * @hfi_ops: iris hfi command ops
+ * @hfi_response_ops: iris hfi response ops
+ * @core_init_done: structure of signal completion for system response
+ * @intr_status: interrupt status
+ * @sys_error_handler: a delayed work for handling system fatal error
*/
struct iris_core {
@@ -71,6 +83,14 @@ struct iris_core {
struct iris_iface_q_info message_queue;
struct iris_iface_q_info debug_queue;
struct mutex lock; /* lock for core related
operations */
+ u8 *response_packet;
+ u32 header_id;
+ u32 packet_id;
+ const struct iris_hfi_command_ops *hfi_ops;
+ const struct iris_hfi_response_ops *hfi_response_ops;
+ struct completion core_init_done;
+ u32 intr_status;
+ struct delayed_work sys_error_handler;
};
int iris_core_init(struct iris_core *core);
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_common.c
b/drivers/media/platform/qcom/iris/iris_hfi_common.c
new file mode 100644
index 000000000000..a19b988c9a88
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_hfi_common.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights
reserved.
+ */
+
+#include "iris_core.h"
+#include "iris_hfi_common.h"
+#include "iris_vpu_common.h"
+
+int iris_hfi_core_init(struct iris_core *core)
+{
+ const struct iris_hfi_command_ops *hfi_ops = core->hfi_ops;
+ int ret;
+
+ ret = hfi_ops->sys_init(core);
+ if (ret)
+ return ret;
+
+ ret = hfi_ops->sys_image_version(core);
+ if (ret)
+ return ret;
+
+ return hfi_ops->sys_interframe_powercollapse(core);
+}
+
+irqreturn_t iris_hfi_isr(int irq, void *data)
+{
+ disable_irq_nosync(irq);
+
+ return IRQ_WAKE_THREAD;
+}
+
+irqreturn_t iris_hfi_isr_handler(int irq, void *data)
+{
+ struct iris_core *core = data;
+
+ if (!core)
+ return IRQ_NONE;
+
+ mutex_lock(&core->lock);
+ iris_vpu_clear_interrupt(core);
+ mutex_unlock(&core->lock);
+
+ core->hfi_response_ops->hfi_response_handler(core);
+
+ if (!iris_vpu_watchdog(core, core->intr_status))
+ enable_irq(irq);
+
+ return IRQ_HANDLED;
+}
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_common.h
b/drivers/media/platform/qcom/iris/iris_hfi_common.h
new file mode 100644
index 000000000000..b46a2f21102a
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_hfi_common.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights
reserved.
+ */
+
+#ifndef __IRIS_HFI_COMMON_H__
+#define __IRIS_HFI_COMMON_H__
+
+#include <linux/types.h>
+#include <media/v4l2-device.h>
+
+struct iris_core;
+
+enum hfi_packet_port_type {
+ HFI_PORT_NONE = 0x00000000,
+ HFI_PORT_BITSTREAM = 0x00000001,
+ HFI_PORT_RAW = 0x00000002,
+};
+
+enum hfi_packet_payload_info {
+ HFI_PAYLOAD_NONE = 0x00000000,
+ HFI_PAYLOAD_U32 = 0x00000001,
+ HFI_PAYLOAD_S32 = 0x00000002,
+ HFI_PAYLOAD_U64 = 0x00000003,
+ HFI_PAYLOAD_S64 = 0x00000004,
+ HFI_PAYLOAD_STRUCTURE = 0x00000005,
+ HFI_PAYLOAD_BLOB = 0x00000006,
+ HFI_PAYLOAD_STRING = 0x00000007,
+ HFI_PAYLOAD_Q16 = 0x00000008,
+ HFI_PAYLOAD_U32_ENUM = 0x00000009,
+ HFI_PAYLOAD_32_PACKED = 0x0000000a,
+ HFI_PAYLOAD_U32_ARRAY = 0x0000000b,
+ HFI_PAYLOAD_S32_ARRAY = 0x0000000c,
+ HFI_PAYLOAD_64_PACKED = 0x0000000d,
+};
+
+enum hfi_packet_host_flags {
+ HFI_HOST_FLAGS_NONE = 0x00000000,
+ HFI_HOST_FLAGS_INTR_REQUIRED = 0x00000001,
+ HFI_HOST_FLAGS_RESPONSE_REQUIRED = 0x00000002,
+ HFI_HOST_FLAGS_NON_DISCARDABLE = 0x00000004,
+ HFI_HOST_FLAGS_GET_PROPERTY = 0x00000008,
+};
+
+struct iris_hfi_command_ops {
+ int (*sys_init)(struct iris_core *core);
+ int (*sys_image_version)(struct iris_core *core);
+ int (*sys_interframe_powercollapse)(struct iris_core *core);
+};
+
+struct iris_hfi_response_ops {
+ void (*hfi_response_handler)(struct iris_core *core);
+};
+
+int iris_hfi_core_init(struct iris_core *core);
+
+irqreturn_t iris_hfi_isr(int irq, void *data);
+irqreturn_t iris_hfi_isr_handler(int irq, void *data);
+
+#endif
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1.h
b/drivers/media/platform/qcom/iris/iris_hfi_gen1.h
index 5d05be7470e0..19b8e9054a75 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen1.h
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1.h
@@ -6,8 +6,11 @@
#ifndef __IRIS_HFI_GEN1_H__
#define __IRIS_HFI_GEN1_H__
+struct iris_core;
struct iris_inst;
+void iris_hfi_gen1_command_ops_init(struct iris_core *core);
+void iris_hfi_gen1_response_ops_init(struct iris_core *core);
struct iris_inst *iris_hfi_gen1_get_instance(void);
#endif
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
index 20c68f4ffb72..07007d8812ba 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
@@ -4,8 +4,69 @@
*/
#include "iris_hfi_gen1.h"
+#include "iris_hfi_gen1_defines.h"
#include "iris_instance.h"
+static int iris_hfi_gen1_sys_init(struct iris_core *core)
+{
+ struct hfi_sys_init_pkt sys_init_pkt;
+
+ sys_init_pkt.hdr.size = sizeof(sys_init_pkt);
+ sys_init_pkt.hdr.pkt_type = HFI_CMD_SYS_INIT;
+ sys_init_pkt.arch_type = HFI_VIDEO_ARCH_OX;
+
+ return iris_hfi_queue_cmd_write_locked(core, &sys_init_pkt,
sys_init_pkt.hdr.size);
+}
+
+static int iris_hfi_gen1_sys_image_version(struct iris_core *core)
+{
+ struct hfi_sys_get_property_pkt packet;
+
+ packet.hdr.size = sizeof(packet);
+ packet.hdr.pkt_type = HFI_CMD_SYS_GET_PROPERTY;
+ packet.num_properties = 1;
+ packet.data = HFI_PROPERTY_SYS_IMAGE_VERSION;
+
+ return iris_hfi_queue_cmd_write_locked(core, &packet, packet.hdr.size);
+}
+
+static int iris_hfi_gen1_sys_interframe_powercollapse(struct iris_core *core)
+{
+ struct hfi_sys_set_property_pkt *pkt;
+ struct hfi_enable *hfi;
+ u32 packet_size;
+ int ret;
+
+ packet_size = struct_size(pkt, data, 1) + sizeof(*hfi);
+ pkt = kzalloc(packet_size, GFP_KERNEL);
+ if (!pkt)
+ return -ENOMEM;
+
+ hfi = (struct hfi_enable *)&pkt->data[1];
+
+ pkt->hdr.size = packet_size;
+ pkt->hdr.pkt_type = HFI_CMD_SYS_SET_PROPERTY;
+ pkt->num_properties = 1;
+ pkt->data[0] = HFI_PROPERTY_SYS_CODEC_POWER_PLANE_CTRL;
+ hfi->enable = true;
+
+ ret = iris_hfi_queue_cmd_write_locked(core, pkt, pkt->hdr.size);
+ kfree(pkt);
+
+ return ret;
+}
+
+static const struct iris_hfi_command_ops iris_hfi_gen1_command_ops = {
+ .sys_init = iris_hfi_gen1_sys_init,
+ .sys_image_version = iris_hfi_gen1_sys_image_version,
+ .sys_interframe_powercollapse =
iris_hfi_gen1_sys_interframe_powercollapse,
+};
+
+void iris_hfi_gen1_command_ops_init(struct iris_core *core)
+{
+ core->hfi_ops = &iris_hfi_gen1_command_ops;
+}
+
struct iris_inst *iris_hfi_gen1_get_instance(void)
{
return kzalloc(sizeof(struct iris_inst), GFP_KERNEL);
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h
b/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h
new file mode 100644
index 000000000000..8af824a42bcf
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h
@@ -0,0 +1,94 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights
reserved.
+ */
+
+#ifndef __IRIS_HFI_GEN1_DEFINES_H__
+#define __IRIS_HFI_GEN1_DEFINES_H__
+
+#include <linux/types.h>
+
+#define HFI_VIDEO_ARCH_OX 0x1
+#define HFI_ERR_NONE 0x0
+
+#define HFI_CMD_SYS_INIT 0x10001
+#define HFI_CMD_SYS_SET_PROPERTY 0x10005
+#define HFI_CMD_SYS_GET_PROPERTY 0x10006
+
+#define HFI_PROPERTY_SYS_CODEC_POWER_PLANE_CTRL 0x5
+#define HFI_PROPERTY_SYS_IMAGE_VERSION 0x6
+
+#define HFI_EVENT_SYS_ERROR 0x1
+
+#define HFI_MSG_SYS_INIT 0x20001
+#define HFI_MSG_SYS_COV 0x20009
+#define HFI_MSG_SYS_PROPERTY_INFO 0x2000a
+
+#define HFI_MSG_EVENT_NOTIFY 0x21001
+
+struct hfi_pkt_hdr {
+ u32 size;
+ u32 pkt_type;
+};
+
+struct hfi_sys_init_pkt {
+ struct hfi_pkt_hdr hdr;
+ u32 arch_type;
+};
+
+struct hfi_sys_set_property_pkt {
+ struct hfi_pkt_hdr hdr;
+ u32 num_properties;
+ u32 data[];
+};
+
+struct hfi_sys_get_property_pkt {
+ struct hfi_pkt_hdr hdr;
+ u32 num_properties;
+ u32 data;
+};
+
+struct hfi_msg_event_notify_pkt {
+ struct hfi_pkt_hdr hdr;
+ u32 event_id;
+ u32 event_data1;
+ u32 event_data2;
+ u32 ext_event_data[];
+};
+
+struct hfi_msg_sys_init_done_pkt {
+ struct hfi_pkt_hdr hdr;
+ u32 error_type;
+ u32 num_properties;
+ u32 data[];
+};
+
+struct hfi_msg_sys_property_info_pkt {
+ struct hfi_pkt_hdr hdr;
+ u32 num_properties;
+ u32 property;
+ u8 data[];
+};
+
+struct hfi_enable {
+ u32 enable;
+};
+
+struct hfi_msg_sys_debug_pkt {
+ struct hfi_pkt_hdr hdr;
+ u32 msg_type;
+ u32 msg_size;
+ u32 time_stamp_hi;
+ u32 time_stamp_lo;
+ u8 msg_data[];
+};
+
+struct hfi_msg_sys_coverage_pkt {
+ struct hfi_pkt_hdr hdr;
+ u32 msg_size;
+ u32 time_stamp_hi;
+ u32 time_stamp_lo;
+ u8 msg_data[];
+};
+
+#endif
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c
b/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c
new file mode 100644
index 000000000000..78fefa4176f9
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c
@@ -0,0 +1,176 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights
reserved.
+ */
+
+#include "iris_hfi_gen1.h"
+#include "iris_hfi_gen1_defines.h"
+#include "iris_instance.h"
+
+static void
+iris_hfi_gen1_sys_event_notify(struct iris_core *core, void *packet)
+{
+ struct hfi_msg_event_notify_pkt *pkt = packet;
+
+ if (pkt->event_id == HFI_EVENT_SYS_ERROR)
+ dev_err(core->dev, "sys error (type: %x, data1:%x, data2:%x)\n",
+ pkt->event_id, pkt->event_data1, pkt->event_data2);
+
+ core->state = IRIS_CORE_ERROR;
+ schedule_delayed_work(&core->sys_error_handler, msecs_to_jiffies(10));
+}
+
+static void iris_hfi_gen1_sys_init_done(struct iris_core *core, void *packet)
+{
+ struct hfi_msg_sys_init_done_pkt *pkt = packet;
+
+ if (pkt->error_type != HFI_ERR_NONE) {
+ core->state = IRIS_CORE_ERROR;
+ return;
+ }
+
+ complete(&core->core_init_done);
+}
+
+static void
+iris_hfi_gen1_sys_get_prop_image_version(struct iris_core *core,
+ struct hfi_msg_sys_property_info_pkt
*pkt)
+{
+ int req_bytes = pkt->hdr.size - sizeof(*pkt);
+ char fw_version[IRIS_FW_VERSION_LENGTH];
+ u8 *str_image_version;
+ u32 i;
+
+ if (req_bytes < IRIS_FW_VERSION_LENGTH - 1 || !pkt->data[0] ||
pkt->num_properties > 1) {
+ dev_err(core->dev, "bad packet\n");
+ return;
+ }
+
+ str_image_version = pkt->data;
+ if (!str_image_version) {
+ dev_err(core->dev, "firmware version not available\n");
+ return;
+ }
+
+ for (i = 0; i < IRIS_FW_VERSION_LENGTH - 1; i++) {
+ if (str_image_version[i] != '\0')
+ fw_version[i] = str_image_version[i];
+ else
+ fw_version[i] = ' ';
+ }
+ fw_version[i] = '\0';
+ dev_dbg(core->dev, "firmware version: %s\n", fw_version);
+}
+
+static void iris_hfi_gen1_sys_property_info(struct iris_core *core, void
*packet)
+{
+ struct hfi_msg_sys_property_info_pkt *pkt = packet;
+
+ if (!pkt->num_properties) {
+ dev_dbg(core->dev, "no properties\n");
+ return;
+ }
+
+ switch (pkt->property) {
+ case HFI_PROPERTY_SYS_IMAGE_VERSION:
+ iris_hfi_gen1_sys_get_prop_image_version(core, pkt);
+ break;
+ default:
+ dev_dbg(core->dev, "unknown property data\n");
+ break;
+ }
+}
+
+struct iris_hfi_gen1_response_pkt_info {
+ u32 pkt;
+ u32 pkt_sz;
+};
+
+static const struct iris_hfi_gen1_response_pkt_info pkt_infos[] = {
+ {
+ .pkt = HFI_MSG_EVENT_NOTIFY,
+ .pkt_sz = sizeof(struct hfi_msg_event_notify_pkt),
+ },
+ {
+ .pkt = HFI_MSG_SYS_INIT,
+ .pkt_sz = sizeof(struct hfi_msg_sys_init_done_pkt),
+ },
+ {
+ .pkt = HFI_MSG_SYS_PROPERTY_INFO,
+ .pkt_sz = sizeof(struct hfi_msg_sys_property_info_pkt),
+ },
+};
+
+static void iris_hfi_gen1_handle_response(struct iris_core *core, void
*response)
+{
+ struct hfi_pkt_hdr *hdr = (struct hfi_pkt_hdr *)response;
+ const struct iris_hfi_gen1_response_pkt_info *pkt_info;
+ struct device *dev = core->dev;
+ bool found = false;
+ u32 i;
+
+ for (i = 0; i < ARRAY_SIZE(pkt_infos); i++) {
+ pkt_info = &pkt_infos[i];
+ if (pkt_info->pkt != hdr->pkt_type)
+ continue;
+ found = true;
+ break;
+ }
+
+ if (!found || hdr->size < pkt_info->pkt_sz) {
+ dev_err(dev, "bad packet size (%d should be %d, pkt type:%x,
found %d)\n",
+ hdr->size, pkt_info->pkt_sz, hdr->pkt_type, found);
+
+ return;
+ }
+
+ switch (hdr->pkt_type) {
+ case HFI_MSG_SYS_INIT:
+ iris_hfi_gen1_sys_init_done(core, hdr);
+ break;
+ case HFI_MSG_SYS_PROPERTY_INFO:
+ iris_hfi_gen1_sys_property_info(core, hdr);
+ break;
+ case HFI_MSG_EVENT_NOTIFY:
+ iris_hfi_gen1_sys_event_notify(core, hdr);
+ break;
+ default:
+ break;
+ }
+}
+
+static void iris_hfi_gen1_flush_debug_queue(struct iris_core *core, u8 *packet)
+{
+ struct hfi_msg_sys_coverage_pkt *pkt;
+
+ while (!iris_hfi_queue_dbg_read(core, packet)) {
+ pkt = (struct hfi_msg_sys_coverage_pkt *)packet;
+
+ if (pkt->hdr.pkt_type != HFI_MSG_SYS_COV) {
+ struct hfi_msg_sys_debug_pkt *pkt =
+ (struct hfi_msg_sys_debug_pkt *)packet;
+
+ dev_dbg(core->dev, "%s", pkt->msg_data);
+ }
+ }
+}
+
+static void iris_hfi_gen1_response_handler(struct iris_core *core)
+{
+ memset(core->response_packet, 0, sizeof(struct hfi_pkt_hdr));
+ while (!iris_hfi_queue_msg_read(core, core->response_packet)) {
+ iris_hfi_gen1_handle_response(core, core->response_packet);
+ memset(core->response_packet, 0, sizeof(struct hfi_pkt_hdr));
+ }
+
+ iris_hfi_gen1_flush_debug_queue(core, core->response_packet);
+}
+
+static const struct iris_hfi_response_ops iris_hfi_gen1_response_ops = {
+ .hfi_response_handler = iris_hfi_gen1_response_handler,
+};
+
+void iris_hfi_gen1_response_ops_init(struct iris_core *core)
+{
+ core->hfi_response_ops = &iris_hfi_gen1_response_ops;
+}
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2.h
b/drivers/media/platform/qcom/iris/iris_hfi_gen2.h
index c159ed7f64f9..c43b51774978 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen2.h
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2.h
@@ -8,6 +8,8 @@
#include "iris_instance.h"
+struct iris_core;
+
/**
* struct iris_inst_hfi_gen2 - holds per video instance parameters for hfi_gen2
*
@@ -17,6 +19,8 @@ struct iris_inst_hfi_gen2 {
struct iris_inst inst;
};
+void iris_hfi_gen2_command_ops_init(struct iris_core *core);
+void iris_hfi_gen2_response_ops_init(struct iris_core *core);
struct iris_inst *iris_hfi_gen2_get_instance(void);
#endif
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
index 3ee33c8befae..5eaebe170214 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
@@ -4,6 +4,80 @@
*/
#include "iris_hfi_gen2.h"
+#include "iris_hfi_gen2_packet.h"
+
+#define NUM_SYS_INIT_PACKETS 8
+
+#define SYS_INIT_PKT_SIZE (sizeof(struct iris_hfi_header) + \
+ NUM_SYS_INIT_PACKETS * (sizeof(struct iris_hfi_packet) + sizeof(u32)))
+
+#define SYS_IFPC_PKT_SIZE (sizeof(struct iris_hfi_header) + \
+ sizeof(struct iris_hfi_packet) + sizeof(u32))
+
+#define SYS_NO_PAYLOAD_PKT_SIZE (sizeof(struct iris_hfi_header) + \
+ sizeof(struct iris_hfi_packet))
+
+static int iris_hfi_gen2_sys_init(struct iris_core *core)
+{
+ struct iris_hfi_header *hdr;
+ int ret;
+
+ hdr = kzalloc(SYS_INIT_PKT_SIZE, GFP_KERNEL);
+ if (!hdr)
+ return -ENOMEM;
+
+ iris_hfi_gen2_packet_sys_init(core, hdr);
+ ret = iris_hfi_queue_cmd_write_locked(core, hdr, hdr->size);
+
+ kfree(hdr);
+
+ return ret;
+}
+
+static int iris_hfi_gen2_sys_image_version(struct iris_core *core)
+{
+ struct iris_hfi_header *hdr;
+ int ret;
+
+ hdr = kzalloc(SYS_NO_PAYLOAD_PKT_SIZE, GFP_KERNEL);
+ if (!hdr)
+ return -ENOMEM;
+
+ iris_hfi_gen2_packet_image_version(core, hdr);
+ ret = iris_hfi_queue_cmd_write_locked(core, hdr, hdr->size);
+
+ kfree(hdr);
+
+ return ret;
+}
+
+static int iris_hfi_gen2_sys_interframe_powercollapse(struct iris_core *core)
+{
+ struct iris_hfi_header *hdr;
+ int ret;
+
+ hdr = kzalloc(SYS_IFPC_PKT_SIZE, GFP_KERNEL);
+ if (!hdr)
+ return -ENOMEM;
+
+ iris_hfi_gen2_packet_sys_interframe_powercollapse(core, hdr);
+ ret = iris_hfi_queue_cmd_write_locked(core, hdr, hdr->size);
+
+ kfree(hdr);
+
+ return ret;
+}
+
+static const struct iris_hfi_command_ops iris_hfi_gen2_command_ops = {
+ .sys_init = iris_hfi_gen2_sys_init,
+ .sys_image_version = iris_hfi_gen2_sys_image_version,
+ .sys_interframe_powercollapse =
iris_hfi_gen2_sys_interframe_powercollapse,
+};
+
+void iris_hfi_gen2_command_ops_init(struct iris_core *core)
+{
+ core->hfi_ops = &iris_hfi_gen2_command_ops;
+}
struct iris_inst *iris_hfi_gen2_get_instance(void)
{
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h
b/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h
new file mode 100644
index 000000000000..2640caa7f9c0
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights
reserved.
+ */
+
+#ifndef __IRIS_HFI_GEN2_DEFINES_H__
+#define __IRIS_HFI_GEN2_DEFINES_H__
+
+#include <linux/types.h>
+
+#define HFI_VIDEO_ARCH_LX 0x1
+
+#define HFI_CMD_BEGIN 0x01000000
+#define HFI_CMD_INIT 0x01000001
+#define HFI_CMD_END 0x01FFFFFF
+
+#define HFI_PROP_BEGIN 0x03000000
+#define HFI_PROP_IMAGE_VERSION 0x03000001
+#define HFI_PROP_INTRA_FRAME_POWER_COLLAPSE 0x03000002
+#define HFI_PROP_UBWC_MAX_CHANNELS 0x03000003
+#define HFI_PROP_UBWC_MAL_LENGTH 0x03000004
+#define HFI_PROP_UBWC_HBB 0x03000005
+#define HFI_PROP_UBWC_BANK_SWZL_LEVEL1 0x03000006
+#define HFI_PROP_UBWC_BANK_SWZL_LEVEL2 0x03000007
+#define HFI_PROP_UBWC_BANK_SWZL_LEVEL3 0x03000008
+#define HFI_PROP_UBWC_BANK_SPREADING 0x03000009
+#define HFI_PROP_END 0x03FFFFFF
+
+#define HFI_SYSTEM_ERROR_BEGIN 0x05000000
+#define HFI_SYS_ERROR_WD_TIMEOUT 0x05000001
+#define HFI_SYSTEM_ERROR_END 0x05FFFFFF
+
+enum hfi_packet_firmware_flags {
+ HFI_FW_FLAGS_SUCCESS = 0x00000001,
+ HFI_FW_FLAGS_INFORMATION = 0x00000002,
+ HFI_FW_FLAGS_SESSION_ERROR = 0x00000004,
+ HFI_FW_FLAGS_SYSTEM_ERROR = 0x00000008,
+};
+
+struct hfi_debug_header {
+ u32 size;
+ u32 debug_level;
+ u32 reserved[2];
+};
+
+#endif
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c
b/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c
new file mode 100644
index 000000000000..986013aa62df
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c
@@ -0,0 +1,161 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights
reserved.
+ */
+
+#include "iris_hfi_common.h"
+#include "iris_hfi_gen2.h"
+#include "iris_hfi_gen2_packet.h"
+
+static void iris_hfi_gen2_create_header(struct iris_hfi_header *hdr,
+ u32 session_id, u32 header_id)
+{
+ memset(hdr, 0, sizeof(*hdr));
+
+ hdr->size = sizeof(*hdr);
+ hdr->session_id = session_id;
+ hdr->header_id = header_id;
+ hdr->num_packets = 0;
+}
+
+static void iris_hfi_gen2_create_packet(struct iris_hfi_header *hdr, u32
pkt_type,
+ u32 pkt_flags, u32 payload_type, u32
port,
+ u32 packet_id, void *payload, u32
payload_size)
+{
+ struct iris_hfi_packet *pkt = (struct iris_hfi_packet *)((u8 *)hdr +
hdr->size);
+ u32 pkt_size = sizeof(*pkt) + payload_size;
+
+ memset(pkt, 0, pkt_size);
+ pkt->size = pkt_size;
+ pkt->type = pkt_type;
+ pkt->flags = pkt_flags;
+ pkt->payload_info = payload_type;
+ pkt->port = port;
+ pkt->packet_id = packet_id;
+ if (payload_size)
+ memcpy(&pkt->payload[0], payload, payload_size);
+
+ hdr->num_packets++;
+ hdr->size += pkt->size;
+}
+
+void iris_hfi_gen2_packet_sys_init(struct iris_core *core, struct
iris_hfi_header *hdr)
+{
+ u32 payload = 0;
+
+ iris_hfi_gen2_create_header(hdr, 0, core->header_id++);
+
+ payload = HFI_VIDEO_ARCH_LX;
+ iris_hfi_gen2_create_packet(hdr,
+ HFI_CMD_INIT,
+ (HFI_HOST_FLAGS_RESPONSE_REQUIRED |
+ HFI_HOST_FLAGS_INTR_REQUIRED |
+ HFI_HOST_FLAGS_NON_DISCARDABLE),
+ HFI_PAYLOAD_U32,
+ HFI_PORT_NONE,
+ core->packet_id++,
+ &payload,
+ sizeof(u32));
+
+ payload = core->iris_platform_data->ubwc_config->max_channels;
+ iris_hfi_gen2_create_packet(hdr,
+ HFI_PROP_UBWC_MAX_CHANNELS,
+ HFI_HOST_FLAGS_NONE,
+ HFI_PAYLOAD_U32,
+ HFI_PORT_NONE,
+ core->packet_id++,
+ &payload,
+ sizeof(u32));
+
+ payload = core->iris_platform_data->ubwc_config->mal_length;
+ iris_hfi_gen2_create_packet(hdr,
+ HFI_PROP_UBWC_MAL_LENGTH,
+ HFI_HOST_FLAGS_NONE,
+ HFI_PAYLOAD_U32,
+ HFI_PORT_NONE,
+ core->packet_id++,
+ &payload,
+ sizeof(u32));
+
+ payload = core->iris_platform_data->ubwc_config->highest_bank_bit;
+ iris_hfi_gen2_create_packet(hdr,
+ HFI_PROP_UBWC_HBB,
+ HFI_HOST_FLAGS_NONE,
+ HFI_PAYLOAD_U32,
+ HFI_PORT_NONE,
+ core->packet_id++,
+ &payload,
+ sizeof(u32));
+
+ payload = core->iris_platform_data->ubwc_config->bank_swzl_level;
+ iris_hfi_gen2_create_packet(hdr,
+ HFI_PROP_UBWC_BANK_SWZL_LEVEL1,
+ HFI_HOST_FLAGS_NONE,
+ HFI_PAYLOAD_U32,
+ HFI_PORT_NONE,
+ core->packet_id++,
+ &payload,
+ sizeof(u32));
+
+ payload = core->iris_platform_data->ubwc_config->bank_swz2_level;
+ iris_hfi_gen2_create_packet(hdr,
+ HFI_PROP_UBWC_BANK_SWZL_LEVEL2,
+ HFI_HOST_FLAGS_NONE,
+ HFI_PAYLOAD_U32,
+ HFI_PORT_NONE,
+ core->packet_id++,
+ &payload,
+ sizeof(u32));
+
+ payload = core->iris_platform_data->ubwc_config->bank_swz3_level;
+ iris_hfi_gen2_create_packet(hdr,
+ HFI_PROP_UBWC_BANK_SWZL_LEVEL3,
+ HFI_HOST_FLAGS_NONE,
+ HFI_PAYLOAD_U32,
+ HFI_PORT_NONE,
+ core->packet_id++,
+ &payload,
+ sizeof(u32));
+
+ payload = core->iris_platform_data->ubwc_config->bank_spreading;
+ iris_hfi_gen2_create_packet(hdr,
+ HFI_PROP_UBWC_BANK_SPREADING,
+ HFI_HOST_FLAGS_NONE,
+ HFI_PAYLOAD_U32,
+ HFI_PORT_NONE,
+ core->packet_id++,
+ &payload,
+ sizeof(u32));
+}
+
+void iris_hfi_gen2_packet_image_version(struct iris_core *core, struct
iris_hfi_header *hdr)
+{
+ iris_hfi_gen2_create_header(hdr, 0, core->header_id++);
+
+ iris_hfi_gen2_create_packet(hdr,
+ HFI_PROP_IMAGE_VERSION,
+ (HFI_HOST_FLAGS_RESPONSE_REQUIRED |
+ HFI_HOST_FLAGS_INTR_REQUIRED |
+ HFI_HOST_FLAGS_GET_PROPERTY),
+ HFI_PAYLOAD_NONE,
+ HFI_PORT_NONE,
+ core->packet_id++,
+ NULL, 0);
+}
+
+void iris_hfi_gen2_packet_sys_interframe_powercollapse(struct iris_core *core,
+ struct iris_hfi_header
*hdr)
+{
+ u32 payload = 1; /* HFI_TRUE */
+
+ iris_hfi_gen2_create_header(hdr, 0 /*session_id*/, core->header_id++);
+
+ iris_hfi_gen2_create_packet(hdr,
+ HFI_PROP_INTRA_FRAME_POWER_COLLAPSE,
+ HFI_HOST_FLAGS_NONE,
+ HFI_PAYLOAD_U32,
+ HFI_PORT_NONE,
+ core->packet_id++,
+ &payload,
+ sizeof(u32));
+}
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.h
b/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.h
new file mode 100644
index 000000000000..10dcb6e4c3d9
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights
reserved.
+ */
+
+#ifndef __IRIS_HFI_GEN2_PACKET_H__
+#define __IRIS_HFI_GEN2_PACKET_H__
+
+#include "iris_hfi_gen2_defines.h"
+
+struct iris_core;
+
+/**
+ * struct iris_hfi_header
+ *
+ * @size: size of the total packet in bytes including hfi_header
+ * @session_id: For session level hfi_header session_id is non-zero.
+ * For system level hfi_header session_id is zero.
+ * @header_id: unique header id for each hfi_header
+ * @reserved: reserved for future use
+ * @num_packets: number of hfi_packet that are included with the hfi_header
+ */
+struct iris_hfi_header {
+ u32 size;
+ u32 session_id;
+ u32 header_id;
+ u32 reserved[4];
+ u32 num_packets;
+};
+
+/**
+ * struct iris_hfi_packet
+ *
+ * @size: size of the hfi_packet in bytes including payload
+ * @type: one of the below hfi_packet types:
+ * HFI_CMD_*,
+ * HFI_PROP_*,
+ * HFI_ERROR_*,
+ * HFI_INFO_*,
+ * HFI_SYS_ERROR_*
+ * @flags: hfi_packet flags. It is represented as bit masks.
+ * host packet flags are "enum hfi_packet_host_flags"
+ * firmware packet flags are "enum hfi_packet_firmware_flags"
+ * @payload_info: payload information indicated by "enum
hfi_packet_payload_info"
+ * @port: hfi_packet port type indicated by "enum hfi_packet_port_type"
+ * This is bitmask and may be applicable to multiple ports.
+ * @packet_id: host hfi_packet contains unique packet id.
+ * firmware returns host packet id in response packet
+ * wherever applicable. If not applicable firmware sets it to zero.
+ * @reserved: reserved for future use.
+ * @payload: flexible array of payload having additional packet information.
+ */
+struct iris_hfi_packet {
+ u32 size;
+ u32 type;
+ u32 flags;
+ u32 payload_info;
+ u32 port;
+ u32 packet_id;
+ u32 reserved[2];
+ u32 payload[];
+};
+
+void iris_hfi_gen2_packet_sys_init(struct iris_core *core, struct
iris_hfi_header *hdr);
+void iris_hfi_gen2_packet_image_version(struct iris_core *core, struct
iris_hfi_header *hdr);
+void iris_hfi_gen2_packet_sys_interframe_powercollapse(struct iris_core *core,
+ struct iris_hfi_header
*hdr);
+
+#endif
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c
b/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c
new file mode 100644
index 000000000000..007e4a7b6782
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_response.c
@@ -0,0 +1,215 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights
reserved.
+ */
+
+#include "iris_hfi_gen2.h"
+#include "iris_hfi_gen2_defines.h"
+#include "iris_hfi_gen2_packet.h"
+#include "iris_vpu_common.h"
+
+struct iris_hfi_gen2_core_hfi_range {
+ u32 begin;
+ u32 end;
+ int (*handle)(struct iris_core *core, struct iris_hfi_packet *pkt);
+};
+
+static int iris_hfi_gen2_validate_packet(u8 *response_pkt, u8 *core_resp_pkt)
+{
+ u8 *response_limit = core_resp_pkt + IFACEQ_CORE_PKT_SIZE;
+ u32 response_pkt_size = *(u32 *)response_pkt;
+
+ if (!response_pkt_size)
+ return -EINVAL;
+
+ if (response_pkt_size < sizeof(struct iris_hfi_packet))
+ return -EINVAL;
+
+ if (response_pkt + response_pkt_size > response_limit)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int iris_hfi_gen2_validate_hdr_packet(struct iris_core *core, struct
iris_hfi_header *hdr)
+{
+ struct iris_hfi_packet *packet;
+ int ret;
+ u8 *pkt;
+ u32 i;
+
+ if (hdr->size < sizeof(*hdr) + sizeof(*packet))
+ return -EINVAL;
+
+ pkt = (u8 *)((u8 *)hdr + sizeof(*hdr));
+
+ for (i = 0; i < hdr->num_packets; i++) {
+ packet = (struct iris_hfi_packet *)pkt;
+ ret = iris_hfi_gen2_validate_packet(pkt, core->response_packet);
+ if (ret)
+ return ret;
+
+ pkt += packet->size;
+ }
+
+ return 0;
+}
+
+static int iris_hfi_gen2_handle_system_error(struct iris_core *core,
+ struct iris_hfi_packet *pkt)
+{
+ dev_err(core->dev, "received system error of type %#x\n", pkt->type);
+
+ core->state = IRIS_CORE_ERROR;
+ schedule_delayed_work(&core->sys_error_handler, msecs_to_jiffies(10));
+
+ return 0;
+}
+
+static int iris_hfi_gen2_handle_system_init(struct iris_core *core,
+ struct iris_hfi_packet *pkt)
+{
+ if (!(pkt->flags & HFI_FW_FLAGS_SUCCESS)) {
+ core->state = IRIS_CORE_ERROR;
+ return 0;
+ }
+
+ complete(&core->core_init_done);
+
+ return 0;
+}
+
+static int iris_hfi_gen2_handle_image_version_property(struct iris_core *core,
+ struct iris_hfi_packet
*pkt)
+{
+ u8 *str_image_version = (u8 *)pkt + sizeof(*pkt);
+ u32 req_bytes = pkt->size - sizeof(*pkt);
+ char fw_version[IRIS_FW_VERSION_LENGTH];
+ u32 i;
+
+ if (req_bytes < IRIS_FW_VERSION_LENGTH - 1)
+ return -EINVAL;
+
+ for (i = 0; i < IRIS_FW_VERSION_LENGTH - 1; i++) {
+ if (str_image_version[i] != '\0')
+ fw_version[i] = str_image_version[i];
+ else
+ fw_version[i] = ' ';
+ }
+ fw_version[i] = '\0';
+ dev_dbg(core->dev, "firmware version: %s\n", fw_version);
+
+ return 0;
+}
+
+static int iris_hfi_gen2_handle_system_property(struct iris_core *core,
+ struct iris_hfi_packet *pkt)
+{
+ switch (pkt->type) {
+ case HFI_PROP_IMAGE_VERSION:
+ return iris_hfi_gen2_handle_image_version_property(core, pkt);
+ default:
+ return 0;
+ }
+}
+
+static int iris_hfi_gen2_handle_system_response(struct iris_core *core,
+ struct iris_hfi_header *hdr)
+{
+ u8 *start_pkt = (u8 *)((u8 *)hdr + sizeof(*hdr));
+ struct iris_hfi_packet *packet;
+ u32 i, j;
+ u8 *pkt;
+ int ret;
+ static const struct iris_hfi_gen2_core_hfi_range range[] = {
+ {HFI_SYSTEM_ERROR_BEGIN, HFI_SYSTEM_ERROR_END,
iris_hfi_gen2_handle_system_error },
+ {HFI_PROP_BEGIN, HFI_PROP_END,
iris_hfi_gen2_handle_system_property },
+ {HFI_CMD_BEGIN, HFI_CMD_END,
iris_hfi_gen2_handle_system_init },
+ };
+
+ for (i = 0; i < ARRAY_SIZE(range); i++) {
+ pkt = start_pkt;
+ for (j = 0; j < hdr->num_packets; j++) {
+ packet = (struct iris_hfi_packet *)pkt;
+ if (packet->flags & HFI_FW_FLAGS_SYSTEM_ERROR) {
+ ret = iris_hfi_gen2_handle_system_error(core,
packet);
+ return ret;
+ }
+
+ if (packet->type > range[i].begin && packet->type <
range[i].end) {
+ ret = range[i].handle(core, packet);
+ if (ret)
+ return ret;
+
+ if (packet->type > HFI_SYSTEM_ERROR_BEGIN &&
+ packet->type < HFI_SYSTEM_ERROR_END)
+ return 0;
+ }
+ pkt += packet->size;
+ }
+ }
+
+ return 0;
+}
+
+static int iris_hfi_gen2_handle_response(struct iris_core *core, void
*response)
+{
+ struct iris_hfi_header *hdr = (struct iris_hfi_header *)response;
+ int ret;
+
+ ret = iris_hfi_gen2_validate_hdr_packet(core, hdr);
+ if (ret)
+ return iris_hfi_gen2_handle_system_error(core, NULL);
+
+ return iris_hfi_gen2_handle_system_response(core, hdr);
+}
+
+static void iris_hfi_gen2_flush_debug_queue(struct iris_core *core, u8 *packet)
+{
+ struct hfi_debug_header *pkt;
+ u8 *log;
+
+ while (!iris_hfi_queue_dbg_read(core, packet)) {
+ pkt = (struct hfi_debug_header *)packet;
+
+ if (pkt->size < sizeof(*pkt))
+ continue;
+
+ if (pkt->size >= IFACEQ_CORE_PKT_SIZE)
+ continue;
+
+ packet[pkt->size] = '\0';
+ log = (u8 *)packet + sizeof(*pkt) + 1;
+ dev_dbg(core->dev, "%s", log);
+ }
+}
+
+static void iris_hfi_gen2_response_handler(struct iris_core *core)
+{
+ if (iris_vpu_watchdog(core, core->intr_status)) {
+ struct iris_hfi_packet pkt = {.type = HFI_SYS_ERROR_WD_TIMEOUT};
+
+ dev_err(core->dev, "cpu watchdog error received\n");
+ core->state = IRIS_CORE_ERROR;
+ iris_hfi_gen2_handle_system_error(core, &pkt);
+
+ return;
+ }
+
+ memset(core->response_packet, 0, sizeof(struct iris_hfi_header));
+ while (!iris_hfi_queue_msg_read(core, core->response_packet)) {
+ iris_hfi_gen2_handle_response(core, core->response_packet);
+ memset(core->response_packet, 0, sizeof(struct
iris_hfi_header));
+ }
+
+ iris_hfi_gen2_flush_debug_queue(core, core->response_packet);
+}
+
+static const struct iris_hfi_response_ops iris_hfi_gen2_response_ops = {
+ .hfi_response_handler = iris_hfi_gen2_response_handler,
+};
+
+void iris_hfi_gen2_response_ops_init(struct iris_core *core)
+{
+ core->hfi_response_ops = &iris_hfi_gen2_response_ops;
+}
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_queue.c
b/drivers/media/platform/qcom/iris/iris_hfi_queue.c
index 494ef205133d..ee245c540ce7 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_queue.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_queue.c
@@ -5,6 +5,179 @@
#include "iris_core.h"
#include "iris_hfi_queue.h"
+#include "iris_vpu_common.h"
+
+static int iris_hfi_queue_write(struct iris_iface_q_info *qinfo, void *packet,
u32 packet_size)
+{
+ struct iris_hfi_queue_header *queue = qinfo->qhdr;
+ u32 write_idx = queue->write_idx * sizeof(u32);
+ u32 read_idx = queue->read_idx * sizeof(u32);
+ u32 empty_space, new_write_idx, residue;
+ u32 *write_ptr;
+
+ if (write_idx < read_idx)
+ empty_space = read_idx - write_idx;
+ else
+ empty_space = IFACEQ_QUEUE_SIZE - (write_idx - read_idx);
+ if (empty_space < packet_size)
+ return -ENOSPC;
+
+ queue->tx_req = 0;
+
+ new_write_idx = write_idx + packet_size;
+ write_ptr = (u32 *)((u8 *)qinfo->kernel_vaddr + write_idx);
+
+ if (write_ptr < (u32 *)qinfo->kernel_vaddr ||
+ write_ptr > (u32 *)(qinfo->kernel_vaddr +
+ IFACEQ_QUEUE_SIZE))
+ return -EINVAL;
+
+ if (new_write_idx < IFACEQ_QUEUE_SIZE) {
+ memcpy(write_ptr, packet, packet_size);
+ } else {
+ residue = new_write_idx - IFACEQ_QUEUE_SIZE;
+ memcpy(write_ptr, packet, (packet_size - residue));
+ memcpy(qinfo->kernel_vaddr,
+ packet + (packet_size - residue), residue);
+ new_write_idx = residue;
+ }
+
+ /* Make sure packet is written before updating the write index */
+ mb();
+ queue->write_idx = new_write_idx / sizeof(u32);
+
+ /* Make sure write index is updated before an interrupt is raised */
+ mb();
+
+ return 0;
+}
+
+static int iris_hfi_queue_read(struct iris_iface_q_info *qinfo, void *packet)
+{
+ struct iris_hfi_queue_header *queue = qinfo->qhdr;
+ u32 write_idx = queue->write_idx * sizeof(u32);
+ u32 read_idx = queue->read_idx * sizeof(u32);
+ u32 packet_size, receive_request = 0;
+ u32 new_read_idx, residue;
+ u32 *read_ptr;
+ int ret = 0;
+
+ if (queue->queue_type == IFACEQ_MSGQ_ID)
+ receive_request = 1;
+
+ if (read_idx == write_idx) {
+ queue->rx_req = receive_request;
+ /* Ensure qhdr is updated in main memory */
+ mb();
+ return -ENODATA;
+ }
+
+ read_ptr = qinfo->kernel_vaddr + read_idx;
+ if (read_ptr < (u32 *)qinfo->kernel_vaddr ||
+ read_ptr > (u32 *)(qinfo->kernel_vaddr +
+ IFACEQ_QUEUE_SIZE - sizeof(*read_ptr)))
+ return -ENODATA;
+
+ packet_size = *read_ptr;
+ if (!packet_size)
+ return -EINVAL;
+
+ new_read_idx = read_idx + packet_size;
+ if (packet_size <= IFACEQ_CORE_PKT_SIZE) {
+ if (new_read_idx < IFACEQ_QUEUE_SIZE) {
+ memcpy(packet, read_ptr, packet_size);
+ } else {
+ residue = new_read_idx - IFACEQ_QUEUE_SIZE;
+ memcpy(packet, read_ptr, (packet_size - residue));
+ memcpy((packet + (packet_size - residue)),
+ qinfo->kernel_vaddr, residue);
+ new_read_idx = residue;
+ }
+ } else {
+ new_read_idx = write_idx;
+ ret = -EBADMSG;
+ }
+
+ queue->rx_req = receive_request;
+
+ queue->read_idx = new_read_idx / sizeof(u32);
+ /* Ensure qhdr is updated in main memory */
+ mb();
+
+ return ret;
+}
+
+int iris_hfi_queue_cmd_write_locked(struct iris_core *core, void *pkt, u32
pkt_size)
+{
+ struct iris_iface_q_info *q_info = &core->command_queue;
+
+ if (core->state == IRIS_CORE_ERROR)
+ return -EINVAL;
+
+ if (!iris_hfi_queue_write(q_info, pkt, pkt_size)) {
+ iris_vpu_raise_interrupt(core);
+ } else {
+ dev_err(core->dev, "queue full\n");
+ return -ENODATA;
+ }
+
+ return 0;
+}
+
+int iris_hfi_queue_cmd_write(struct iris_core *core, void *pkt, u32 pkt_size)
+{
+ int ret;
+
+ mutex_lock(&core->lock);
+ ret = iris_hfi_queue_cmd_write_locked(core, pkt, pkt_size);
+ mutex_unlock(&core->lock);
+
+ return ret;
+}
+
+int iris_hfi_queue_msg_read(struct iris_core *core, void *pkt)
+{
+ struct iris_iface_q_info *q_info = &core->message_queue;
+ int ret = 0;
+
+ mutex_lock(&core->lock);
+ if (core->state != IRIS_CORE_INIT) {
+ ret = -EINVAL;
+ goto unlock;
+ }
+
+ if (iris_hfi_queue_read(q_info, pkt)) {
+ ret = -ENODATA;
+ goto unlock;
+ }
+
+unlock:
+ mutex_unlock(&core->lock);
+
+ return ret;
+}
+
+int iris_hfi_queue_dbg_read(struct iris_core *core, void *pkt)
+{
+ struct iris_iface_q_info *q_info = &core->debug_queue;
+ int ret = 0;
+
+ mutex_lock(&core->lock);
+ if (core->state != IRIS_CORE_INIT) {
+ ret = -EINVAL;
+ goto unlock;
+ }
+
+ if (iris_hfi_queue_read(q_info, pkt)) {
+ ret = -ENODATA;
+ goto unlock;
+ }
+
+unlock:
+ mutex_unlock(&core->lock);
+
+ return ret;
+}
static void iris_hfi_queue_set_header(struct iris_core *core, u32 queue_id,
struct iris_iface_q_info *iface_q)
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_queue.h
b/drivers/media/platform/qcom/iris/iris_hfi_queue.h
index 99a3b83d063f..2174fc5ce618 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_queue.h
+++ b/drivers/media/platform/qcom/iris/iris_hfi_queue.h
@@ -174,4 +174,9 @@ struct iris_iface_q_info {
int iris_hfi_queues_init(struct iris_core *core);
void iris_hfi_queues_deinit(struct iris_core *core);
+int iris_hfi_queue_cmd_write_locked(struct iris_core *core, void *pkt, u32
pkt_size);
+int iris_hfi_queue_cmd_write(struct iris_core *core, void *pkt, u32 pkt_size);
+int iris_hfi_queue_msg_read(struct iris_core *core, void *pkt);
+int iris_hfi_queue_dbg_read(struct iris_core *core, void *pkt);
+
#endif
diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h
b/drivers/media/platform/qcom/iris/iris_platform_common.h
index 7e661e8928bd..adf639d1a109 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_common.h
+++ b/drivers/media/platform/qcom/iris/iris_platform_common.h
@@ -6,7 +6,10 @@
#ifndef __IRIS_PLATFORM_COMMON_H__
#define __IRIS_PLATFORM_COMMON_H__
+struct iris_core;
+
#define IRIS_PAS_ID 9
+#define HW_RESPONSE_TIMEOUT_VALUE (1000) /* milliseconds */
extern struct iris_platform_data sm8550_data;
@@ -28,7 +31,19 @@ struct tz_cp_config {
u32 cp_nonpixel_size;
};
+struct ubwc_config_data {
+ u32 max_channels;
+ u32 mal_length;
+ u32 highest_bank_bit;
+ u32 bank_swzl_level;
+ u32 bank_swz2_level;
+ u32 bank_swz3_level;
+ u32 bank_spreading;
+};
+
struct iris_platform_data {
+ void (*init_hfi_command_ops)(struct iris_core *core);
+ void (*init_hfi_response_ops)(struct iris_core *core);
struct iris_inst *(*get_instance)(void);
const struct icc_info *icc_tbl;
unsigned int icc_tbl_size;
@@ -45,6 +60,8 @@ struct iris_platform_data {
u32 pas_id;
struct tz_cp_config *tz_cp_config_data;
u32 core_arch;
+ u32 hw_response_timeout;
+ struct ubwc_config_data *ubwc_config;
};
#endif
diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
index 237f932946d6..30d9664bd419 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
@@ -26,6 +26,16 @@ static const struct platform_clk_data sm8550_clk_table[] = {
{IRIS_HW_CLK, "vcodec0_core" },
};
+static struct ubwc_config_data ubwc_config_sm8550 = {
+ .max_channels = 8,
+ .mal_length = 32,
+ .highest_bank_bit = 16,
+ .bank_swzl_level = 0,
+ .bank_swz2_level = 1,
+ .bank_swz3_level = 1,
+ .bank_spreading = 1,
+};
+
static struct tz_cp_config tz_cp_config_sm8550 = {
.cp_start = 0,
.cp_size = 0x25800000,
@@ -35,6 +45,8 @@ static struct tz_cp_config tz_cp_config_sm8550 = {
struct iris_platform_data sm8550_data = {
.get_instance = iris_hfi_gen2_get_instance,
+ .init_hfi_command_ops = iris_hfi_gen2_command_ops_init,
+ .init_hfi_response_ops = iris_hfi_gen2_response_ops_init,
.icc_tbl = sm8550_icc_table,
.icc_tbl_size = ARRAY_SIZE(sm8550_icc_table),
.clk_rst_tbl = sm8550_clk_reset_table,
@@ -51,4 +63,6 @@ struct iris_platform_data sm8550_data = {
.pas_id = IRIS_PAS_ID,
.tz_cp_config_data = &tz_cp_config_sm8550,
.core_arch = VIDEO_ARCH_LX,
+ .hw_response_timeout = HW_RESPONSE_TIMEOUT_VALUE,
+ .ubwc_config = &ubwc_config_sm8550,
};
diff --git a/drivers/media/platform/qcom/iris/iris_probe.c
b/drivers/media/platform/qcom/iris/iris_probe.c
index 3015e6cb347f..02887b3dbe0e 100644
--- a/drivers/media/platform/qcom/iris/iris_probe.c
+++ b/drivers/media/platform/qcom/iris/iris_probe.c
@@ -177,6 +177,15 @@ static void iris_remove(struct platform_device *pdev)
mutex_destroy(&core->lock);
}
+static void iris_sys_error_handler(struct work_struct *work)
+{
+ struct iris_core *core =
+ container_of(work, struct iris_core,
sys_error_handler.work);
+
+ iris_core_deinit(core);
+ iris_core_init(core);
+}
+
static int iris_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -191,6 +200,13 @@ static int iris_probe(struct platform_device *pdev)
core->state = IRIS_CORE_DEINIT;
mutex_init(&core->lock);
+ init_completion(&core->core_init_done);
+
+ core->response_packet = devm_kzalloc(core->dev, IFACEQ_CORE_PKT_SIZE,
GFP_KERNEL);
+ if (!core->response_packet)
+ return -ENOMEM;
+
+ INIT_DELAYED_WORK(&core->sys_error_handler, iris_sys_error_handler);
core->reg_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(core->reg_base))
@@ -202,7 +218,17 @@ static int iris_probe(struct platform_device *pdev)
core->iris_platform_data = of_device_get_match_data(core->dev);
+ ret = devm_request_threaded_irq(core->dev, core->irq, iris_hfi_isr,
+ iris_hfi_isr_handler,
IRQF_TRIGGER_HIGH, "iris", core);
+ if (ret)
+ return ret;
+
+ disable_irq_nosync(core->irq);
+
iris_init_ops(core);
+ core->iris_platform_data->init_hfi_command_ops(core);
+ core->iris_platform_data->init_hfi_response_ops(core);
+
ret = iris_init_resources(core);
if (ret)
return ret;
diff --git a/drivers/media/platform/qcom/iris/iris_vpu_common.c
b/drivers/media/platform/qcom/iris/iris_vpu_common.c
index 959ed46e8f47..34817573f61b 100644
--- a/drivers/media/platform/qcom/iris/iris_vpu_common.c
+++ b/drivers/media/platform/qcom/iris/iris_vpu_common.c
@@ -11,10 +11,15 @@
#define CPU_BASE_OFFS 0x000A0000
#define CPU_CS_BASE_OFFS (CPU_BASE_OFFS)
+#define CPU_IC_BASE_OFFS (CPU_BASE_OFFS)
+
+#define CPU_CS_A2HSOFTINTCLR (CPU_CS_BASE_OFFS + 0x1C)
+#define CLEAR_XTENSA2HOST_INTR BIT(0)
#define CTRL_INIT (CPU_CS_BASE_OFFS + 0x48)
#define CTRL_STATUS (CPU_CS_BASE_OFFS + 0x4C)
+#define CTRL_INIT_IDLE_MSG_BMSK 0x40000000
#define CTRL_ERROR_STATUS__M 0xfe
#define QTBL_INFO (CPU_CS_BASE_OFFS + 0x50)
@@ -31,6 +36,14 @@
#define CPU_CS_X2RPMH (CPU_CS_BASE_OFFS + 0x168)
+#define CPU_IC_SOFTINT (CPU_IC_BASE_OFFS + 0x150)
+#define CPU_IC_SOFTINT_H2A_SHFT 0x0
+
+#define WRAPPER_BASE_OFFS 0x000B0000
+#define WRAPPER_INTR_STATUS (WRAPPER_BASE_OFFS + 0x0C)
+#define WRAPPER_INTR_STATUS_A2HWD_BMSK BIT(3)
+#define WRAPPER_INTR_STATUS_A2H_BMSK BIT(2)
+
static void iris_vpu_setup_ucregion_memory_map(struct iris_core *core)
{
u32 queue_size, value;
@@ -87,3 +100,33 @@ int iris_vpu_boot_firmware(struct iris_core *core)
return 0;
}
+
+void iris_vpu_raise_interrupt(struct iris_core *core)
+{
+ writel(1 << CPU_IC_SOFTINT_H2A_SHFT, core->reg_base + CPU_IC_SOFTINT);
+}
+
+void iris_vpu_clear_interrupt(struct iris_core *core)
+{
+ u32 intr_status, mask;
+
+ intr_status = readl(core->reg_base + WRAPPER_INTR_STATUS);
+ mask = (WRAPPER_INTR_STATUS_A2H_BMSK |
+ WRAPPER_INTR_STATUS_A2HWD_BMSK |
+ CTRL_INIT_IDLE_MSG_BMSK);
+
+ if (intr_status & mask)
+ core->intr_status |= intr_status;
+
+ writel(CLEAR_XTENSA2HOST_INTR, core->reg_base + CPU_CS_A2HSOFTINTCLR);
+}
+
+int iris_vpu_watchdog(struct iris_core *core, u32 intr_status)
+{
+ if (intr_status & WRAPPER_INTR_STATUS_A2HWD_BMSK) {
+ dev_err(core->dev, "received watchdog interrupt\n");
+ return -ETIME;
+ }
+
+ return 0;
+}
diff --git a/drivers/media/platform/qcom/iris/iris_vpu_common.h
b/drivers/media/platform/qcom/iris/iris_vpu_common.h
index bafcf46520fd..c38c055d3d14 100644
--- a/drivers/media/platform/qcom/iris/iris_vpu_common.h
+++ b/drivers/media/platform/qcom/iris/iris_vpu_common.h
@@ -9,5 +9,8 @@
struct iris_core;
int iris_vpu_boot_firmware(struct iris_core *core);
+void iris_vpu_raise_interrupt(struct iris_core *core);
+void iris_vpu_clear_interrupt(struct iris_core *core);
+int iris_vpu_watchdog(struct iris_core *core, u32 intr_status);
#endif
